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IEEE Standard for Inverse-Time Characteristics Equations for Overcurrent Relays
IEEE Std C37.112-2018 (Revision of IEEE Std C37.112-1996)
Year: 2019
Abstract: The inverse-time characteristics of overcurrent relays are defined in this standard. Operating equations and allowances are provided in the standard. The standard defines an integral equation for microprocessor relays that ensures coordination not only in the case of constant current input but for any current condition of varying magnitude. Electromechanical inverse-time overcurrent relay reset characteristics are defined in the event that designers of microprocessor based relays and computer relays want to match the reset characteristics of the electromechanical relays.
Subject: inverse-time characteristics
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IEEE Standard for Inverse-Time Characteristics Equations for Overcurrent Relays
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| contributor author | IEEE - The Institute of Electrical and Electronics Engineers, Inc. | |
| date accessioned | 2019-07-25T07:26:12Z | |
| date available | 2019-07-25T07:26:12Z | |
| date issued | 2019 | |
| identifier isbn | 978-1-5044-5351 | |
| identifier other | 08635630.pdf | |
| identifier uri | https://yse.yabesh.ir/std/handle/yse/273620 | |
| description abstract | The inverse-time characteristics of overcurrent relays are defined in this standard. Operating equations and allowances are provided in the standard. The standard defines an integral equation for microprocessor relays that ensures coordination not only in the case of constant current input but for any current condition of varying magnitude. Electromechanical inverse-time overcurrent relay reset characteristics are defined in the event that designers of microprocessor based relays and computer relays want to match the reset characteristics of the electromechanical relays. | |
| language | English | |
| title | IEEE Standard for Inverse-Time Characteristics Equations for Overcurrent Relays | en |
| title | IEEE Std C37.112-2018 (Revision of IEEE Std C37.112-1996) | num |
| type | Standard | |
| page | 25 | |
| tree | IEEE - The Institute of Electrical and Electronics Engineers, Inc.:;2019 | |
| contenttype | Fulltext | |
| subject keywords | inverse-time characteristics | |
| subject keywords | overcurrent relays | |
| subject keywords | IEEE Standards | |
| subject keywords | Power system relaying | |
| subject keywords | Relays | |
| subject keywords | Switchgear | |
| identifier DOI | 10.1109/IEEESTD.2019.8635630 |